Design a Stateful Banking System with Scheduled Payments and Account Merges
Company: Airbnb
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Online Assessment
Overview: Design an in-memory banking system with accounts, transfers, spender rankings, scheduled payments, cancellation, and account merges. Specify deterministic payment processing before public operations and preserve balances, outgoing totals, histories, and pending-payment ownership through merges.
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